bumping parent pom.xml to 2.0.0-SNAPSHOT to pick up ISIS-537 branch
bumping parent pom.xml to 2.0.0-SNAPSHOT to pick up ISIS-537 branch

isisaddons/isis-wicket-gmap3,isisaddons/isis-wicket-gmap3,isisaddons/isis-wicket-gmap3,isisaddons/isis-wicket-gmap3